If an allele has multiple effects, it is __________.

a. a polygene
b. codominant
c. pleiotropic
d. an autosome


Answer: c. pleiotropic

Biology & Microbiology

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Indicate whether the statement is true or false.

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Which of the following elements, when added to a nucleotide base, will create a base analog?

A. Carbon D. Boron B. Oxygen E. Phosphorous C. Bromine

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Ananda Chakrabarty received the first U.S. patent for a GM organism. This organism was ________

A) a transgenic mouse expressing the growth hormone gene B) the GloFish C) Dolly the cloned sheep D) cloned E. coli E) Pseudomonas engineered to degrade petroleum

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The gaseous hormone that promotes seed germination and stimulates fruit ripening is known as

a. abscisic acid b. propylene c. indoleacetic avid d. ethylene e. brassinolide

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